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Proper job is that! I love spraying silicone You can go as slow or as fast as you want, stop anytime, and go for breakfast, and come back and patch back into where you stopped!
If you were building a new house or extension you would need a u value of at least 0.18 W/m2k for walls (eg:130mm thick foil backed insulation). However this doesn’t apply when working on older properties existing walls 👍🏼
I’m not an expert on building regulations so if you have genuine concerns I’d contact a local building surveyor or architect. Certainly in my experience you could add any thickness of External Wall Insulation to your property. If possible 100 mm over your existing walls will likely give you the u value of current new build standards. It’s worth noting that any thickness of external insulation would also help massively to protecting your properties walls and keeping them damp free for much longer than traditional rendering. So they are more benefits than just increasing the u value 😁 I hope that helps.
All the advice in this video is directly from EWI expert trainers. They teach all their applicators to apply the adhesive to the wall AND the back of the insulation board. Then 5 mechanical fixings per board. They also provide a 10 year guarantee BUT only if you complete the insulation system as they teach it. Your method may work and all the best to you. I personally guarantee all my work and also want EWI’s 10 year guarantee so for that reason I will continue to follow there perhaps over the top standards 👍🏼
Their is no need too coat the wall and the back of the board,it's a waste of materials use the correct notch trowel Then the fasteners,that sill cap is a water trap cut the sill off and pitch it slightly so the water runs down the building 👍
Thank you very much. This particular job we we’re finishing off someone else’s work. We had to go over a very dodgy scratch coat so we used two passes of Webber one coat render with reinforcement mesh.
Thank you. We use a lot of Orange Render Tape. The cheapest I’ve found it is from CES Hire ces-hire.com/product/blue-dolphin-rough-surface-masking-tape-orange-48mm-x-50m/ EWI Store sells it too. Selco also sells it but both are more expensive.
I saw you the other week in traffic just by the bagshot m3 roundabout. Was gonna beep and wave but thought that would be weird seeing as I don’t actually know you and there was a child in the van haha
Hi Daniel, Fantastic finish. Looks like a very tricky ceiling. 🤪 just curious, why didn’t you bond out curves before hand ? Not that it makes any difference to finish production. Or was that just a personal preference to go with all skim coat instead.
Thank you, that’s very kind of you to say. You are quite right, using bonding coat on the curves does work really well. For me on this occasion I wanted to keep the curves as sharp as possible so I chose to use multi finish to highlight the curves more. I hope that helps 👍🏼
The main benefit of the spray machine is the overall ease on the body. Im sure you could apply the lime render by hand as quick, at least on small areas. But your body will tire much quicker when applying by hand.
Thanks. Ideally the one coat render should be allowed to dry and fully harden which normally takes around 1 - 2 days in the spring/summer/autumn. Then the thin coat primer needs to be applied and that also needs to fully dry (6- 24 hours depending on temperature). Only then should you apply the silicone thin coat render top coat I hope that helps
You certainly can top coat the next day if you prefer. It works pretty much the same as traditional sand and cement render. Just a higher quality product, in my humble opinion 👍🏼
Thanks. The working time is around 90 minutes. As with most external renders the weather has a huge influence on how it drys. It’s quite similar to traditional sand and cement render. A bit stickier perhaps. I recommend giving it a go. Easy to mix, lovely to apply. You still want to apply 2 passes (scratch coat and top coat). The scratch coat should harden in 1 - 2 hours then you can get the top coat on straight away. Great for small jobs 👍🏼
We used a string line to make sure the line matched up both sides then used a spirt level and a margin trowel the exact size of the line. I hope that helps 👍🏼
Im considering pebble dashing my dogs box ,what do you recommended as an exterior facade for this project ?also would it be advisable to insulate and skim the inside of it to keep my cha wawa nice and warm in the inclimate weather of the uk
Spot on, people say " plasterers don't last long in the game" No, the ones that sink 5 cans a night and don't look after their body don't, however balancing and strengthening your body, and making positive lifestyle choices has been shown to massively increase the chances of a long and healthy career on the trowel, or just in construction in general, good to hear it from another spread👍
good question. I tend to use the same wide chisel for the whole job. I do have a small hammer and bolster that I keep with me for the more delicate, difficult to reach spots as well though. 👍🏼
great job guys, would that tool be ok to use on rendered brickwork as well i need to knock quite a bit off to expose the brickwork for the surveyor, there are cracks all over🙄
@@DanLee40 Cheers, and by the way Dan do you just use one size chisel for the complete removal or change over for different parts of the wall ? asking on behalf of a novice😁
We were called in to finish the job for a customer as they weren’t happy with the renders that started the job. The scratch coat was really poorly applied. It was very lumpy and it took a lot of extra render to straighten the walls . They also rendered passed the damp course with out putting in a break in the render. Effectively bypassing the damp course and making it useless. This render had to be removed and a new beads with a full strip of sealant applied to maintain the damp course and allow us to render to the floor .
@@MarcusT86 Thank you. I actually used a thick bead of rapid set mastic glue. It’s works a treat and is easy enough to peel off after the leveling compound has hardened. www.googleadservices.com/pagead/aclk?sa=L&ai=DChcSEwixxMaw2-iFAxX-lFAGHZkxA2cYABAcGgJkZw&gclid=EAIaIQobChMIscTGsNvohQMV_pRQBh2ZMQNnEAQYDCABEgIFofD_BwE&sph=&ohost=www.google.com&cid=CAASJuRoR8zsFITULwgg7OF_Gwq7n1GbyzeVV3uQCfe9T9FknNWxvbA_&sig=AOD64_2G-Vvt2E_K1X77XNiiv1rD5HvXqQ&ctype=46&q=&ved=2ahUKEwjpuL-w2-iFAxXfRUEAHZIsA9kQzzkoAHoECAMQVw&adurl=
@@DanLee40 thanks buddy. Could this be used as a stop between rooms, and then remove it later to carry on levelling the next room? I want to get all my downstairs one even level.
Thank you very much. It’s a relatively new product from EWI . They sell a base coat / adhesive lime render, NHL 5. Then the NHL 3.5 traditional Lime render. Cheak out their website. Link below. ewistore.co.uk/shop/external-wall-insulation/lime-basecoat-nhl-5-ewi-748-21kg/